Soda Party

//============================================================================
// Name        : SodaParty.cpp
// Author      :
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
using namespace std;

int numCups (int numPeople)
{
int numCups = numPeople * 3;
return numCups;
}


int numStraws (int numPeople)
{
int numStraws = numPeople * 8;
return numStraws;
}

int numNapkins (int numPeople)
    {
    int numNapkins = numPeople * 5;
    return numNapkins;
    }

int amtIce(int numPeople)
{
    int amtIce = numPeople * 6;
    return amtIce;
}

int amtSoda(int numPeople)
{
int amtSoda = numPeople * 3 /9;
return amtSoda;
}

int numBagsOfStraws(int numPeople)
{
    int totalStraws = numStraws(numPeople);
    int numBags = 0;
    if(totalStraws%35==0)
    {
        numBags = totalStraws/35;
    }
    else
    {
        numBags = totalStraws/35+1;
    }

    return numBags;

}
int numBagsOfCups(int numPeople)

{
int totalCups = numCups(numPeople);
int BagsofCups = 0;
if (totalCups%50==0)
{
BagsofCups = totalCups/50;
}

else
{
BagsofCups = totalCups/50+1;
}
return BagsofCups;
}

int numNapkinPackages(int numPeople)
{
int numNapkinPackages = 0;
if (numNapkins(numPeople)%100==0)
{

numNapkinPackages = numNapkins(numPeople) / 100;
}
else
{
numNapkinPackages = numNapkins(numPeople) / 100+1;
}
return numNapkinPackages;
}
int numberOfTraysOfIce(int numPeople)
{
int totalIce = amtIce(numPeople);
int numTrays = 0;
if(totalIce % 16 == 0)
{
       numTrays = totalIce/16;
}
else
            {
      numTrays = totalIce/16+1;
    }
return numTrays;
}


void printGroceryList(int numPeople)
{
cout << "The list of items you need " << endl;
cout <<  numBagsOfCups(numPeople) << " bags of cups." << endl;
cout << numNapkinPackages(numPeople) << " napkin packages." << endl;
cout <<  numberOfTraysOfIce(numPeople) << " trays of ice." << endl;
cout << numBagsOfStraws(numPeople) << " bags of straws." << endl;
cout << amtSoda(numPeople) << " bottles of Soda." << endl;
}


void printGroceryBill(int numPeople)
{
double cupCost = numBagsOfCups(numPeople) * 2;
double strawCost = numBagsOfStraws(numPeople) * 1.50;
double sodaCost = amtSoda(numPeople) * 4;
double napkinCost = numNapkinPackages(numPeople) * 1.50;
double iceCost = numberOfTraysOfIce(numPeople) * .50;
double totalCost = cupCost + strawCost + sodaCost + napkinCost + iceCost;
cout << "The total cost of the grocery list is " << totalCost << " dollars." << endl;
}


int main() {
    int numPeople = 12;
    printGroceryList(numPeople);
    cout <<endl<<endl;
    printGroceryBill(numPeople);

    return 0;
}